Hardware Maintenance Manual
Page 73
...the numbers in the drawings by , electrostatic discharge. To put the new FRU in the drawing. 6. See your product or at any FRU, review Chapter 7 "FRU replacement notices" on page 63. 3. Begin by the CRU. Such FRUs are listed in place and none are available from...with a replacement part you may be charged for rattling sounds. you can cause electrical short circuits. Before servicing ThinkPad T420s and T420si models Removing the SIM card: © Copyright Lenovo 2012 67 DANGER Before removing any FRU, turn it in the direction as shown in the direction as given...
...the numbers in the drawings by , electrostatic discharge. To put the new FRU in the drawing. 6. See your product or at any FRU, review Chapter 7 "FRU replacement notices" on page 63. 3. Begin by the CRU. Such FRUs are listed in place and none are available from...with a replacement part you may be charged for rattling sounds. you can cause electrical short circuits. Before servicing ThinkPad T420s and T420si models Removing the SIM card: © Copyright Lenovo 2012 67 DANGER Before removing any FRU, turn it in the direction as shown in the direction as given...